12 Days of Christmas
418
99 Bottles of Beer
502
Abundant Numbers
657
Christmas Trees
556
CSS Colors
78
Divisors
675
Emirp Numbers
298
Evil Numbers
492
Fibonacci
578
Fizz Buzz
780
Foo Fizz Buzz Bar
698
Leap Years
542
Look and Say
318
Niven Numbers
492
Prime Numbers
486
Prime Numbers (Long)
493
Quine
505
Rock-paper-scissors-Spock-lizard
434
Spelling Numbers
236
Tongue-twisters
405
United States
128
π
448